Manufactured by CHG Bearing, the 81288 is a precision Cylindrical Roller Thrust Bearings. Key dimensional parameters include a 440 mm bore diameter, a 600 mm outer diameter, and a mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
81288 - Cylindrical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 81288 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Cylindrical Roller Thrust Bearing |
| Design Type | Single Direction |
| Load Direction | Axial |
| Dimensions | |
| Bore Diameter (d) | 440 mm |
| Outer Diameter (D) | 600 mm |
| Minimum Chamfer Dimension rmin | 5 mm |
| Overall Height H | 130 mm |
| Inner-Ring Land Diameter (L1 / d1) | 445 mm |
| Outer-Ring Land Diameter (L2 / D1) | 595 mm |
| Performance | |
| Limiting Speed – Grease (r/min) | 160 r/min |
| Limiting Speed – Oil-air (r/min) | 220 r/min |
| Basic Static Axial Load Rating C0a (N) | 14600 N |
| Basic Dynamic Axial Load Rating Ca (N) | 2900 N |
| Material | |
| Mass (kg) | 110 kg |
81288 600 mm 595 mm 440 mm 445 mm Frequently Asked Questions about 81288 Cylindrical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 81288 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (440 mm x 600 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing 81288, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
The CHG Bearing 81288 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
As standard production, CHG Bearing subjects 81288 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
